.ld-message {
    position: fixed;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 4px;
    box-shadow: 0 1px 6px rgba(0, 0, 0, .2);
    font-size: 14px;
    transition: all .2s;
}

.ld-message i {
    margin-right: 8px;
    font-weight: 700;
}

.ld-success {
    background: #eaffe5;
    border: 1px solid #b3dabf;
}

.ld-alert {
    background: #fff9e6;
    border: 1px solid #ffdeae;
}

.ld-error {
    background: #ffefe6;
    border: 1px solid #f5a391;
}

.ld-message i.icon-chenggong, .ld-success span {
    color: #22ab00;
}

.ld-message i.icon-jinggao, .ld-alert span {
    color: #f90;
}

.ld-message i.icon-cuowu, .ld-error span {
    color: #ed3f13;
}